Remove __ARGS macro. Close #205

This is a squash of all commits sent to #81.

- Remove unused undef of __ARGS.
- Fix mch_rename declaration.
- Follow changes related to moved & extracted files.
- Properly indent function declarations of getchar.h and quickfix.c.

src/version.c

@@ -38,8 +38,8 @@ char    *longVersion = VIM_VERSION_LONG_DATE __DATE__ " " __TIME__ ")";
 char    *longVersion = VIM_VERSION_LONG;
 #endif
 
-static void list_features __ARGS((void));
-static void version_msg __ARGS((char *s));
+static void list_features(void);
+static void version_msg(char *s);
 
 static char *(features[]) =
 {
@@ -806,8 +806,8 @@ static void version_msg(char *s)
     MSG_PUTS(s);
 }
 
-static void do_intro_line __ARGS((int row, char_u *mesg, int add_version,
-                                  int attr));
+static void do_intro_line(int row, char_u *mesg, int add_version,
+                          int attr);
 
 /*
  * Show the intro message when not editing a file.